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53122 (1999 AS22)
Classification: Main-belt Asteroid          SPK-ID: 2053122
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05792825878137622 6.2744e-08  
a 2.690463851807832 2.8956e-08 AU
q 2.53460996555837 1.7123e-07 AU
i 16.09786895926047 7.2844e-06 deg
node 67.28447616430621 2.7962e-05 deg
peri 227.5120514876042 8.3324e-05 deg
M 66.26274941145947 7.7133e-05 deg
tp 2456703.807806033154
(2014-Feb-15.30780603)
0.00034684 JED
period 1611.903984919664
4.41
2.6022e-05
7.124e-08
d
yr
n .2233383646718524 3.6055e-09 deg/d
Q 2.846317738057295 3.0633e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      8569 days (23.46 yr)  
   first obs. used      1991-06-07  
   last obs. used      2014-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58253  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:30:20  

Additional Information
 Earth MOID = 1.54197 AU 
 T_jup = 3.313 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO309555  
rotation period rot_per 2.9103 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

53122 (1999 AS22)          Discovered 1999-Jan-14 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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